[H]\C1=C([H])/C(C)(C)C\C([H])=C(C)\CC[C@@]2([H])CC3=C(O[C@]2(C)C1)C(=O)[C@]1([H])C[C@@]2([H])C[C@@](C)(C[C@@]2([H])[C@]31C)C(O)=O